.loading {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 999;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.loading .circle {
  width: 280px;
  height: 280px;
  background: conic-gradient(#000, #fff, #000);
  border-radius: 50%;
  -webkit-mask-image: radial-gradient(transparent 0, transparent 90px, red 0);
  animation: loading 2s linear infinite;
}
.loading .title {
  color: #fff;
}
@keyframes loading {
  0% {
    transform: rotate(0);
  }
  100% {
    transform: rotate(360deg);
  }
}
